Liquid crystal display apparatus
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United States of America Patent
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Mar 18, 2014
Grant Date -
Sep 4, 2008
app pub date -
Feb 15, 2008
filing date -
Feb 20, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid crystal display apparatus includes a display panel configured to have a plurality of scanning lines for which liquid crystal display elements each containing an optical input device and a display pixel are arranged, respectively, a backlight configured to be arranged facing the display panel to illuminate the display panel, and a control part configured to control writing into the display pixel and reading of a detection signal of the optical input device, wherein the control part displays an external light detection image substantially shielding light from the backlight on the display pixels throughout a first period of a frame period, and displays a display image on the display pixels throughout a second period of the frame period.
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